Home / 23,133,555,874.62-31,928,885,442.81-15,005,432,399.67

Finding the Fourth Proportional to 23,133,555,874.62, 31,928,885,442.81 and 15,005,432,399.67

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Solution

The fourth proportional to 23,133,555,874.62, 31,928,885,442.81 and 15,005,432,399.67 is: 20,710,466,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,555,874.62 : 31,928,885,442.81 = 15,005,432,399.67 : x
  2. Step 2: Convert to fraction form
    23,133,555,874.62/31,928,885,442.81 = 15,005,432,399.67/x
  3. Step 3: Cross multiply
    23,133,555,874.62x = 31,928,885,442.81 × 15,005,432,399.67
  4. Step 4: Simplify right side
    23,133,555,874.62x = 479,106,732,108,892,995,584
  5. Step 5: Solve for x
    x = 479,106,732,108,892,995,584/23,133,555,874.62
  6. Step 6: Final answer
    x = 20,710,466,419.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.